7. Drymaria barkleyi J. A. Duke & Steyerm., Ann. Missouri Bot. Gard. 48 (3): 199. 1961.

Type.

Mexico. Coahuila: 25 miles southwest of Monterrey, 1 December 1945, B. H. Warnock & F. A. Barkley 14826 (holotype: F [1176679 / F 0053280 F image!]; isotypes: GH [00037717 image!], TEX [00370752 image!]) .

Distribution.

Mexico.